Breakpoints

A breakpoint determines the point at which the layout will adapt to the size of a device or viewport.

Mobile-First

Bootstrap 5 is a mobile-first framework. That means it is made to be viewed on movile devices first. This helps webpages load faster on smaller devices. 


breakpoints

Available Breakpoints

There are 6 different breakpoints included in Bootstrap 5. These are referred to as grid tiers.


Breakpoint Class infix Dimensions
X-Small None <576px
Small sm ≥576px
Medium md ≥768px
Large lg ≥992px
Extra large xl ≥1200px
Extra extra large xxl ≥1400px

Table via https://getbootstrap.com. Click the button to learn more about breakpoints.